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US Patent: 157,843
Improvement in saw-mills
Patentee: John L. Knowlton (exact or similar names) - Sharon Hill, PA USPTO Classifications: 83/111 Tool Categories: woodworking machines : sawmills : sawmill set works Assignees: None Manufacturer: John L. Knowlton - Sharon Hill, PA Witnesses: Unknown	Patent Dates: Applied: Aug. 31, 1874 Granted: Dec. 15, 1874 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Knowlton, Smith & Co.

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